257585328

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1787}}^1$

素因数の和:1832

約数の個数: 240

約数和(自身を含む): 968438016

約数和(自身を除く): 710852688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 16, 18, 21, 22, 24, 26, 28, 33, 36, 39, 42, 44, 48, 52, 56, 63, 66, 72, 77, 78, 84, 88, 91, 99, 104, 112, 117, 126, 132, 143, 144, 154, 156, 168, 176, 182, 198, 208, 231, 234, 252, 264, 273, 286, 308, 312, 336, 364, 396, 429, 462, 468, 504, 528, 546, 572, 616, 624, 693, 728, 792, 819, 858, 924, 936, 1001, 1008, 1092, 1144, 1232, 1287, 1386, 1456, 1584, 1638, 1716, 1787, 1848, 1872, 2002, 2184, 2288, 2574, 2772, 3003, 3276, 3432, 3574, 3696, 4004, 4368, 5148, 5361, 5544, 6006, 6552, 6864, 7148, 8008, 9009, 10296, 10722, 11088, 12012, 12509, 13104, 14296, 16016, 16083, 18018, 19657, 20592, 21444, 23231, 24024, 25018, 28592, 32166, 36036, 37527, 39314, 42888, 46462, 48048, 50036, 58971, 64332, 69693, 72072, 75054, 78628, 85776, 92924, 100072, 112581, 117942, 128664, 137599, 139386, 144144, 150108, 157256, 162617, 176913, 185848, 200144, 209079, 225162, 235884, 255541, 257328, 275198, 278772, 300216, 314512, 325234, 353826, 371696, 412797, 418158, 450324, 471768, 487851, 511082, 550396, 557544, 600432, 650468, 707652, 766623, 825594, 836316, 900648, 943536, 975702, 1022164, 1100792, 1115088, 1238391, 1300936, 1415304, 1463553, 1533246, 1651188, 1672632, 1788787, 1801296, 1951404, 2044328, 2201584, 2299869, 2476782, 2601872, 2830608, 2927106, 3066492, 3302376, 3345264, 3577574, 3902808, 4088656, 4599738, 4953564, 5366361, 5854212, 6132984, 6604752, 7155148, 7805616, 9199476, 9907128, 10732722, 11708424, 12265968, 14310296, 16099083, 18398952, 19814256, 21465444, 23416848, 28620592, 32198166, 36797904, 42930888, 64396332, 85861776, 128792664, 257585328]

約数ペア:

[(1, 257585328), (2, 128792664), (3, 85861776), (4, 64396332), (6, 42930888), (7, 36797904), (8, 32198166), (9, 28620592), (11, 23416848), (12, 21465444), (13, 19814256), (14, 18398952), (16, 16099083), (18, 14310296), (21, 12265968), (22, 11708424), (24, 10732722), (26, 9907128), (28, 9199476), (33, 7805616), (36, 7155148), (39, 6604752), (42, 6132984), (44, 5854212), (48, 5366361), (52, 4953564), (56, 4599738), (63, 4088656), (66, 3902808), (72, 3577574), (77, 3345264), (78, 3302376), (84, 3066492), (88, 2927106), (91, 2830608), (99, 2601872), (104, 2476782), (112, 2299869), (117, 2201584), (126, 2044328), (132, 1951404), (143, 1801296), (144, 1788787), (154, 1672632), (156, 1651188), (168, 1533246), (176, 1463553), (182, 1415304), (198, 1300936), (208, 1238391), (231, 1115088), (234, 1100792), (252, 1022164), (264, 975702), (273, 943536), (286, 900648), (308, 836316), (312, 825594), (336, 766623), (364, 707652), (396, 650468), (429, 600432), (462, 557544), (468, 550396), (504, 511082), (528, 487851), (546, 471768), (572, 450324), (616, 418158), (624, 412797), (693, 371696), (728, 353826), (792, 325234), (819, 314512), (858, 300216), (924, 278772), (936, 275198), (1001, 257328), (1008, 255541), (1092, 235884), (1144, 225162), (1232, 209079), (1287, 200144), (1386, 185848), (1456, 176913), (1584, 162617), (1638, 157256), (1716, 150108), (1787, 144144), (1848, 139386), (1872, 137599), (2002, 128664), (2184, 117942), (2288, 112581), (2574, 100072), (2772, 92924), (3003, 85776), (3276, 78628), (3432, 75054), (3574, 72072), (3696, 69693), (4004, 64332), (4368, 58971), (5148, 50036), (5361, 48048), (5544, 46462), (6006, 42888), (6552, 39314), (6864, 37527), (7148, 36036), (8008, 32166), (9009, 28592), (10296, 25018), (10722, 24024), (11088, 23231), (12012, 21444), (12509, 20592), (13104, 19657), (14296, 18018), (16016, 16083)]